/* ========================
   Variables & Reset
   ======================== */
:root {
    --green: #2ea44f;
    --green-dark: #238636;
    --green-light: #e6f4ea;
    --dark: #1a1a2e;
    --gray: #f5f6f8;
    --gray-mid: #6b7280;
    --white: #ffffff;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
    --transition: 0.3s ease;
    --container: 1140px;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--green);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--green-dark);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center {
    text-align: center;
}

/* ========================
   Buttons
   ======================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--green);
    color: var(--white);
    text-align: center;
}

.btn:hover {
    background: var(--green-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn--secondary {
    background: transparent;
    color: var(--green);
    border-color: var(--green);
}

.btn--secondary:hover {
    background: var(--green);
    color: var(--white);
}

.btn--outline-white {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn--outline-white:hover {
    background: var(--white);
    color: var(--green-dark);
}

.link-arrow {
    display: inline-block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 0.75rem;
    color: var(--green);
}

.link-arrow:hover {
    color: var(--green-dark);
}

/* ========================
   Navigation
   ======================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.nav.scrolled {
    padding: 0.5rem 0;
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo img {
    height: 80px;
    width: auto;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav__links a {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
    color: var(--green);
    background: var(--green-light);
}

.nav__cta {
    background: var(--green) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: 8px !important;
}

.nav__cta:hover,
.nav__cta.active {
    background: var(--green-dark) !important;
    color: var(--white) !important;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all var(--transition);
    border-radius: 2px;
}

.nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================
   Hero
   ======================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('/assets/img/hero.jpg') center/cover no-repeat;
    color: var(--white);
    text-align: center;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.8) 0%, rgba(46,164,79,0.5) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 750px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* ========================
   Page Header
   ======================== */
.page-header {
    padding: 8rem 0 3rem;
    background: var(--dark);
    color: var(--white);
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.page-header__sub {
    font-size: 1.125rem;
    opacity: 0.8;
}

/* ========================
   Sections
   ======================== */
.section {
    padding: 5rem 0;
}

.section--gray {
    background: var(--gray);
}

.section__title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.section__lead {
    font-size: 1.125rem;
    color: var(--gray-mid);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ========================
   Split (text + image)
   ======================== */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.split--reverse .split__img {
    order: -1;
}

.split__img img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
}

.split__text p {
    margin-bottom: 1rem;
    color: var(--gray-mid);
}

.split__text .btn {
    margin-top: 1rem;
}

/* ========================
   Pillars (3-4 column cards)
   ======================== */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pillars--2x2 {
    grid-template-columns: repeat(2, 1fr);
}

.pillar {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pillar__icon {
    color: var(--green);
    margin-bottom: 1.25rem;
}

.pillar h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.pillar p {
    font-size: 0.9rem;
    color: var(--gray-mid);
    line-height: 1.6;
}

/* ========================
   Services Grid (oferta page + homepage)
   ======================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 2.5rem 2rem;
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--green);
}

.service-card__icon {
    color: var(--green);
    margin-bottom: 1.25rem;
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.service-card__detail {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 1rem;
}

.service-card p:last-child {
    color: var(--gray-mid);
    font-size: 0.9rem;
}

/* ========================
   Steps (projekty page)
   ======================== */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
}

.step__number {
    display: block;
    font-size: 5rem;
    font-weight: 800;
    color: var(--green-light);
    margin-bottom: 0.75rem;
    line-height: 1;
}

.step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.9rem;
    color: var(--gray-mid);
}

/* ========================
   Contact
   ======================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--green-light);
    color: var(--green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item h3 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--gray-mid);
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--dark);
}

.contact-item a:hover {
    color: var(--green);
}

.contact-map {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.contact-map iframe {
    display: block;
}

.contact-form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-form-intro ul {
    list-style: none;
    margin-top: 1rem;
}

.contact-form-intro li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--gray-mid);
}

.contact-form-intro li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 10px;
    height: 10px;
    background: var(--green);
    border-radius: 50%;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.375rem;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(46,164,79,0.15);
}

/* ========================
   Thank You
   ======================== */
.thank-you {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.thank-you__icon {
    width: 80px;
    height: 80px;
    background: var(--green-light);
    color: var(--green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

/* ========================
   Footer
   ======================== */
.footer__cta {
    background: linear-gradient(135deg, var(--dark) 0%, var(--green-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.footer__cta h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.footer__cta p {
    opacity: 0.85;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.footer__info {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 3rem 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.footer__logo {
    height: 100px;
    width: auto;
    opacity: 0.9;
}

.footer__col p {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.footer__col a {
    color: rgba(255,255,255,0.8);
}

.footer__col a:hover {
    color: var(--white);
}

.footer__hours {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer__bottom {
    background: var(--dark);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.25rem 0;
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ========================
   Responsive
   ======================== */
@media (max-width: 1024px) {
    .pillars--2x2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }

    .nav__links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0.5rem;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition);
        align-items: stretch;
    }

    .nav__links.open {
        right: 0;
    }

    .nav__links a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .nav__cta {
        text-align: center !important;
        margin-top: 0.5rem;
    }

    .split {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .split--reverse .split__img {
        order: 0;
    }

    .pillars,
    .pillars--2x2 {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .footer__logo {
        margin: 0 auto;
    }

    .section {
        padding: 3rem 0;
    }

    .page-header {
        padding: 6rem 0 2rem;
    }

    .hero {
        min-height: 80vh;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.25rem;
    }

    .section__title {
        font-size: 1.5rem;
    }

    .step__number {
        font-size: 3.5rem;
    }
}